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1. [AMPS] Contemplating Building of First amp] (score: 1): Author: jtml@lanl.gov (John Lyles); Date: Wed, 11 Feb 1998 11:00:11 -0700; Yes, 812 would be hard to drive(lower gain). 813 is beam power tube (tetrode), not triode. Maybe it could be connected grid to screen and run in triode mode, although it may be easy to overdissipate; /archives//html/Amps/1998-02/msg00070.html (8,690 bytes)
2. [AMPS] Contemplating Building of First amp] (score: 1): Author: wb8jkr@juno.com (Mark S Graalman); Date: Wed, 11 Feb 1998 20:09:15 EST; I built a 160 meter amp 12 years ago using 3 813's connected as cathode fed triodes and they still play fine, 900 watts output. Mark Graalman WB8JKR __________________________________________________; /archives//html/Amps/1998-02/msg00075.html (10,051 bytes)

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